diff options
Diffstat (limited to 'thirdparty/harfbuzz/src/hb-style.cc')
| -rw-r--r-- | thirdparty/harfbuzz/src/hb-style.cc | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/thirdparty/harfbuzz/src/hb-style.cc b/thirdparty/harfbuzz/src/hb-style.cc index f1b44cea53..c0c5c4832c 100644 --- a/thirdparty/harfbuzz/src/hb-style.cc +++ b/thirdparty/harfbuzz/src/hb-style.cc @@ -48,13 +48,12 @@ _hb_angle_to_ratio (float a) { return tanf (a * float (M_PI / 180.)); } -#if 0 + static inline float _hb_ratio_to_angle (float r) { return atanf (r) * float (180. / M_PI); } -#endif /** * hb_style_get_value: @@ -73,7 +72,8 @@ float hb_style_get_value (hb_font_t *font, hb_style_tag_t style_tag) { if (unlikely (style_tag == HB_STYLE_TAG_SLANT_RATIO)) - return _hb_angle_to_ratio (hb_style_get_value (font, HB_STYLE_TAG_SLANT_ANGLE)); + return _hb_angle_to_ratio (hb_style_get_value (font, HB_STYLE_TAG_SLANT_ANGLE)) + + font->slant; hb_face_t *face = font->face; @@ -109,7 +109,14 @@ hb_style_get_value (hb_font_t *font, hb_style_tag_t style_tag) : 12.f; } case HB_STYLE_TAG_SLANT_ANGLE: - return face->table.post->table->italicAngle.to_float (); + { + float angle = face->table.post->table->italicAngle.to_float (); + + if (font->slant) + angle = _hb_ratio_to_angle (font->slant + _hb_angle_to_ratio (angle)); + + return angle; + } case HB_STYLE_TAG_WIDTH: return face->table.OS2->has_data () ? face->table.OS2->get_width () |